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A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm , hurricane , or tropical storm , or by meltwater from ice and snow .
Flash floods can happen minutes to hours after a period of excessive rainfall or a sudden release of water from a dam failure or ice ja ... •Prepare for an emergency. Water service may be ...
One is a flash flood watch, which means that conditions are favorable for flash flooding, and the other is a flash flood warning, meaning that a flash flood is occurring or one will occur imminently and is usually issued when there are strong weather radar echoes for an area that is prone to flash flooding. [2]
a flash flood watch means that conditions may develop that lead to flash flooding. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.
A flash flood emergency is the most severe weather category for flooding. An emergency is only issued in exceedingly rare situations when extremely heavy rain is leading to a severe threat to life ...
In the recent flash flood disaster in the southern Appalachians, intense rain fell just before Helene's arrival and produced flash flooding on its own. Hours later, Helene arrived and unloaded ...